Instruction Manual
NSP-4650B
US PATENT 9,713,217
Please read these instructions before using your Nightstick NSP-4650. They include
important assembly and operating instructions.
WARNINGS
y NOT FOR USE ABOVE HAZARDOUS LOCATIONS
y DO NOT use in explosive atmospheres, near fl ammable liquids, or where explosion
proof lamps are required.
y DO NOT use in the proximity of vehicles or equipment when there is a risk of
fl ammable liquids coming into contact with the fl ashlight.
y DO NOT expose the batteries to water or salt water, or allow the batteries to get wet.
y DO NOT store the batteries with metallic objects that may cause a short circuit.
y Immediately discontinue use of the batteries if they emit an unusual smell, feel hot,
change color, change shape or appear abnormal in any way.
y Keep out of the reach of children.
STROBE WARNING
Exposure to strobing lights may cause dizziness, disorientation, and nausea. A very
small percentage of people suffer from photosensitive epilepsy and may experience
seizures or blackouts triggered by strobing lights. For more information from the
EPILEPSY FOUNDATION about photosensitivity and seizures, please visit
epilepsy.com
. Anyone who has had symptoms linked to this condition should consult a
doctor before using this product.
INSTALLING BATTERIES INTO THE 4650
Image 1
y Loosen the screw on the battery compartment door. (Image 1)
y Insert batteries using the orientation markings on the back of the battery
compartment door. (Image 2)
y Close the battery door fully, then tightening the screw until it is hand tight. (Image 3)
CAUTION: Do not cross-tread or strip the screw threads.
y Test the operation of the light (see OPERATION below).
Bayco Products, Inc. • 640 South Sanden Blvd. • Wylie, TX 75098 • 1-800-233-2155 • 1-469-326-9400 • www.nightstick.com
Image 2
Image 3
INSTALLING THE 4650 ON TO THE HELMET
Image 4
y Choose the side of the helmet you wish to mount the light on.
y Rotate the mount to orient the clamp with thumbscrew on top.
y Open the clamp completely and fully seat over helmet brim, ensuring the clamp
clears any rubber helmet trim. (Image 4)
y Tighten the clamp fi rmly with a fl at-blade screwdriver. (Image 5)
SCAN FOR
MOUNTING
INSTRUCTION
SETTING THE ANGLE OF THE LIGHT
y Twist the light left or right on the vertical pivot until beam pattern is in an ideal position.
y The tension on the mount is meant to be fi rm to maintain the aim.
y Once aimed, the mount allows the user to position light above or below the brim by
rotating up or down as needed.
OPERATION
The 4650 has the following lighting modes: Constant-on high, medium and low
fl ashlight; constant-on high, medium and low fl oodlight, strobe and Dual-Light mode.
The 4650 has two switches, the fl ashlight switch (closest to the front of the light) and the
fl oodlight switch (closest to the rear of the light) providing access to all modes.
CONSTANT-ON: FLASHLIGHT / FLOODLIGHT
Press the fl ashlight or fl oodlight switch until it clicks, then release for constant-on
in high-brightness mode. Press and release this same switch again to turn the light off.
SELECT BRIGHTNESS LEVEL: FLASHLIGHT / FLOODLIGHT
Press and hold the fl ashlight or fl oodlight switch. The light will cycle from high to
medium to low and back at a rate of approximately one mode per second. It will continue
to cycle through the various modes as long as the fl ashlight switch is held down. When
the desired brightness level is reached, release the switch and the light will remain in that
brightness mode. Press and hold the switch again to cause the light to cycle from last
selected mode. Press and release the fl ashlight switch to turn the light off.
STROBE
Press the fl ashlight switch quickly twice to activate the strobe function. Press switch
once more to turn the strobe function off.
www.
DUAL-LIGHT
Dual-Light allows the user to turn on both the fl ashlight and the fl oodlight at the same
time. Press each switch to turn on each lighting mode. Press and release again to turn
the light off.
WARRANTY
LIMITED LIFETIME WARRANTY
Bayco Products, Inc. warrants this product to be free from defects in workmanship
and materials for the original purchaser's lifetime. The Limited Lifetime Warranty
includes the LEDs, housing and lenses. Rechargeable batteries, chargers, switches,
electronics and included accessories are warranted for a period of two years with proof
of purchase. Normal wear and failures which are caused by accidents, misuse, abuse,
faulty installation and lightning damage are excluded.
We will repair or replace this product should we determine it to be defective. This
is the only warranty, expressed or implied, including any warranty of merchantability or
fi tness for a particular purpose.
For a complete copy of the warranty, go to ww.baycoproducts.com/bayco-product-
support/warranties. Retain your receipt for proof of purchase.
INS-NSP-4650-19
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VIDEO
https://youtu.be/uvNgZ9ggNf8